package cn.tedu._04weibo.base.filters;


import cn.tedu._04weibo.pojo.vo.UserVO;
import jakarta.servlet.*;
import jakarta.servlet.annotation.WebFilter;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;

import java.io.IOException;

@Slf4j
@WebFilter(filterName = "LoginChecksFilter", urlPatterns = {"/v1/vehicle/*"})
public class LoginChecksFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        log.debug("开始初始化过滤器LoginChecksFilter");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        log.debug("开始执行过滤器LoginChecksFilter");
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;

        HttpSession session=request.getSession();
        UserVO userVO = (UserVO)session.getAttribute("user");
        if(userVO!=null){
            //放行
            filterChain.doFilter(request,response);
        }else{//未登录，拦截
            log.debug("用户未登录");
            response.sendRedirect("/login.html");
        }

    }

    @Override
    public void destroy() {
        log.debug("开始销毁过滤器LoginChecksFilter");
    }
}
